Home / 21,190.44-29,242.98-11,759.16

Finding the Fourth Proportional to 21,190.44, 29,242.98 and 11,759.16

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Solution

The fourth proportional to 21,190.44, 29,242.98 and 11,759.16 is: 16,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,190.44 : 29,242.98 = 11,759.16 : x
  2. Step 2: Convert to fraction form
    21,190.44/29,242.98 = 11,759.16/x
  3. Step 3: Cross multiply
    21,190.44x = 29,242.98 × 11,759.16
  4. Step 4: Simplify right side
    21,190.44x = 343,872,880.70
  5. Step 5: Solve for x
    x = 343,872,880.70/21,190.44
  6. Step 6: Final answer
    x = 16,227.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.